.mask {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0;
    transition: opacity 0.3s;
    pointer-events: none;
    z-index: 999;

    &.show {
        opacity: 1;
        pointer-events: auto;
    }
}

.drawer {
    position: fixed;
    top: -100%;
    left: 0;
    right: 0;
    background: #fff;
    border-radius: 0 0 20rpx 20rpx;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    z-index: 1000;
    padding: 20rpx;


}